:root {
    --primary-bg: #121212;
    --secondary-bg: #1a1a1a;
    --accent-color: #0D6EFD;
    --sec-accent-color: #0b5ed7;
    --text-color: #ffffff;
    --text-secondary: #b0b0b0;
    --border-color: #333;
    --error-color: #dc3545;
    --warning-color: #ffc107;
    --success-color: #28a745;
    --issue-color: #fd7e14;
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 2rem;
    --spacing-xl: 4rem;
    --transition-fast: all 0.2s ease;
    --transition-medium: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--primary-bg);
    color: var(--text-color);
    height: 100vh;
    overflow: hidden;
}

.container {
    display: grid;
    grid-template-columns: 300px 400px 1fr;
    height: 100vh;
    gap: 1px;
}

.panel {
    background-color: var(--secondary-bg);
    overflow-y: auto;
    position: relative;
}

.panel-header {
    padding: var(--spacing-md);
    background-color: var(--primary-bg);
    border-bottom: 1px solid var(--border-color);
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

/* Collections Panel */
.collections-panel {
    border-right: 1px solid var(--border-color);
}

.collection-item {
    padding: var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.collection-item:hover {
    background-color: var(--primary-bg);
}

.collection-item.active {
    background-color: var(--accent-color);
    color: white;
}

.collection-icon {
    width: 20px;
    height: 20px;
    background-color: var(--accent-color);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

/* Documents Panel */
.documents-panel {
    border-right: 1px solid var(--border-color);
}

.document-item {
    padding: var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-fast);
}

.document-item:hover {
    background-color: var(--primary-bg);
}

.document-item.active {
    background-color: var(--accent-color);
    color: white;
}

.document-id {
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.document-preview {
    font-size: 0.85em;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.document-item.active .document-preview {
    color: rgba(255, 255, 255, 0.8);
}

/* Document Detail Panel */
.detail-panel {
    display: flex;
    flex-direction: column;
}

/* Updated Error Banners - Categorized */
.error-categories {
    background-color: var(--primary-bg);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md);
    display: none;
}

.error-categories.visible {
    display: block;
}

.error-category {
    margin-bottom: var(--spacing-md);
}

.error-category:last-child {
    margin-bottom: 0;
}

.error-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
    font-weight: 500;
}

.error-header.errors {
    background-color: var(--error-color);
    color: white;
}

.error-header.warnings {
    background-color: var(--warning-color);
    color: #000;
}

.error-header.issues {
    background-color: var(--issue-color);
    color: white;
}

.error-header:hover {
    opacity: 0.9;
}

.error-count {
    font-size: 0.9em;
    margin-right: var(--spacing-sm);
}

.dropdown-arrow {
    transition: transform 0.2s;
    font-size: 0.8em;
}

.error-category.expanded .dropdown-arrow {
    transform: rotate(90deg);
}

.error-items {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background-color: var(--secondary-bg);
    border-radius: 0 0 4px 4px;
}

.error-category.expanded .error-items {
    max-height: 400px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--accent-color) var(--border-color);
}

.error-category.expanded .error-items::-webkit-scrollbar {
    width: 6px;
}

.error-category.expanded .error-items::-webkit-scrollbar-track {
    background: var(--border-color);
    border-radius: 3px;
}

.error-category.expanded .error-items::-webkit-scrollbar-thumb {
    background: var(--accent-color);
    border-radius: 3px;
}

.error-category.expanded .error-items::-webkit-scrollbar-thumb:hover {
    background: var(--sec-accent-color);
}

.error-item {
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    font-size: 0.9em;
}

.error-item:hover {
    background-color: var(--primary-bg);
}

.error-item:last-child {
    border-bottom: none;
}

.error-path {
    font-weight: 500;
    color: var(--accent-color);
    margin-bottom: 2px;
}

.error-message {
    color: var(--text-secondary);
    font-size: 0.85em;
}

.document-content {
    flex: 1;
    padding: var(--spacing-md);
    overflow-y: auto;
}

.document-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.action-btn {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
    transition: var(--transition-fast);
}

.action-btn:hover {
    background-color: var(--sec-accent-color);
}

.action-btn.secondary {
    background-color: var(--border-color);
    color: var(--text-color);
}

.action-btn.secondary:hover {
    background-color: #555;
}

/* Search */
.search-container {
    margin-bottom: var(--spacing-lg);
}

.search-input {
    width: 100%;
    padding: var(--spacing-sm);
    background-color: var(--primary-bg);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-color);
    font-size: 0.9em;
}

.search-input:focus {
    outline: none;
    border-color: var(--accent-color);
}

/* Tabs System */
.tabs-container {
    margin-bottom: var(--spacing-lg);
}

.tabs-nav {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: 2px;
}

.tab-button {
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
    font-size: 0.9em;
    white-space: nowrap;
}

.tab-button:hover {
    color: var(--text-color);
    background-color: var(--primary-bg);
}

.tab-button.active {
    color: var(--accent-color);
    border-bottom-color: var(--accent-color);
    background-color: var(--primary-bg);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Nested Objects */
.nested-object {
    border-left: 3px solid var(--border-color);
    margin-left: var(--spacing-md);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.field-item {
    display: flex;
    margin-bottom: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.field-key {
    font-weight: 500;
    color: var(--accent-color);
    min-width: 150px;
    margin-right: var(--spacing-md);
}

.field-value {
    flex: 1;
    word-break: break-word;
}

.field-type {
    font-size: 0.8em;
    color: var(--text-secondary);
    margin-left: var(--spacing-sm);
}

/* Timestamp specific styling */
.timestamp-field .field-value {
    font-family: monospace;
    color: var(--success-color);
    font-weight: 500;
}

/* Accordion */
.accordion-item {
    border: 1px solid var(--border-color);
    border-radius: 4px;
    margin-bottom: var(--spacing-sm);
}

.accordion-header {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-bg);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 4px;
}

.accordion-header:hover {
    background-color: #2a2a2a;
}

.accordion-content {
    padding: var(--spacing-md);
    display: none;
}

.accordion-content.active {
    display: block;
}

.accordion-arrow {
    transition: transform 0.2s;
}

.accordion-item.active .accordion-arrow {
    transform: rotate(90deg);
}

/* Loading states */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    color: var(--text-secondary);
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top: 2px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-right: var(--spacing-sm);
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Highlights for real-time updates */
.highlight-new {
    animation: highlightNew 2s ease-out;
}

@keyframes highlightNew {
    0% {
        background-color: rgba(13, 110, 253, 0.3);
    }

    100% {
        background-color: transparent;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto 1fr;
    }

    .panel {
        height: auto;
        max-height: 300px;
    }

    .detail-panel {
        height: calc(100vh - 600px);
        min-height: 400px;
    }

    .tabs-nav {
        overflow-x: auto;
        flex-wrap: nowrap;
    }
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 3em;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.admin-header {
    background-color: var(--error-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    text-align: center;
    font-size: 0.85em;
    font-weight: 500;
}